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https://github.com/nadoo/glider.git
synced 2025-02-23 01:15:41 +08:00
proxy: added tproxy module (only udp now)
This commit is contained in:
nadoo
parent
15f9e74e39
commit
56277acb7d
@ -6,5 +6,6 @@ import (
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// comment out the protocols you don't need to make the compiled binary smaller.
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_ "github.com/nadoo/glider/proxy/redir"
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_ "github.com/nadoo/glider/proxy/tproxy"
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_ "github.com/nadoo/glider/proxy/unix"
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)
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7
go.mod
7
go.mod
@ -3,6 +3,7 @@ module github.com/nadoo/glider
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go 1.16
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require (
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github.com/LiamHaworth/go-tproxy v0.0.0-20190726054950-ef7efd7f24ed
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github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da
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github.com/dgryski/go-camellia v0.0.0-20191119043421-69a8a13fb23d
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github.com/dgryski/go-idea v0.0.0-20170306091226-d2fb45a411fb
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@ -17,9 +18,9 @@ require (
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github.com/tjfoc/gmsm v1.4.1 // indirect
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github.com/u-root/uio v0.0.0-20210528151154-e40b768296a7 // indirect
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github.com/xtaci/kcp-go/v5 v5.6.1
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golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e
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golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
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golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
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golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
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golang.org/x/net v0.0.0-20210716203947-853a461950ff
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golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
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)
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// Replace dependency modules with local developing copy
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10
go.sum
10
go.sum
@ -1,5 +1,7 @@
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cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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github.com/LiamHaworth/go-tproxy v0.0.0-20190726054950-ef7efd7f24ed h1:eqa6queieK8SvoszxCu0WwH7lSVeL4/N/f1JwOMw1G4=
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github.com/LiamHaworth/go-tproxy v0.0.0-20190726054950-ef7efd7f24ed/go.mod h1:rA52xkgZwql9LRZXWb2arHEFP6qSR48KY2xOfWzEciQ=
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github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
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github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
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github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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@ -104,8 +106,8 @@ golang.org/x/crypto v0.0.0-20191219195013-becbf705a915/go.mod h1:LzIPMQfyMNhhGPh
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e h1:gsTQYXdTw2Gq7RBsWvlQ91b+aEQ6bXFUngBGuR8sPpI=
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golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 h1:/UOmuWzQfxxo9UtlXMwuQU8CMgg1eZXqTRwkSQJWKOI=
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golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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@ -129,8 +131,8 @@ golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81R
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golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
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golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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golang.org/x/net v0.0.0-20210716203947-853a461950ff h1:j2EK/QoxYNBsXI4R7fQkkRUk8y6wnOBI+6hgPdP/6Ds=
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golang.org/x/net v0.0.0-20210716203947-853a461950ff/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
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golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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137
proxy/tproxy/tproxy_linux.go
Normal file
137
proxy/tproxy/tproxy_linux.go
Normal file
@ -0,0 +1,137 @@
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// ref: https://www.kernel.org/doc/Documentation/networking/tproxy.txt
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// @LiamHaworth: https://github.com/LiamHaworth/go-tproxy/blob/master/tproxy_udp.go
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package tproxy
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import (
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"net"
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"net/url"
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"sync"
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"time"
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tp "github.com/LiamHaworth/go-tproxy"
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"github.com/nadoo/glider/log"
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"github.com/nadoo/glider/proxy"
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)
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// TProxy struct.
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type TProxy struct {
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proxy proxy.Proxy
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addr string
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}
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func init() {
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proxy.RegisterServer("tproxy", NewTProxyServer)
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}
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// NewTProxy returns a tproxy.
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func NewTProxy(s string, p proxy.Proxy) (*TProxy, error) {
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u, err := url.Parse(s)
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if err != nil {
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log.F("[tproxy] parse err: %s", err)
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return nil, err
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}
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addr := u.Host
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tp := &TProxy{
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proxy: p,
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addr: addr,
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}
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return tp, nil
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}
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// NewTProxyServer returns a udp tunnel server.
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func NewTProxyServer(s string, p proxy.Proxy) (proxy.Server, error) {
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return NewTProxy(s, p)
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}
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// ListenAndServe listens on server's addr and serves connections.
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func (s *TProxy) ListenAndServe() {
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// go s.ListenAndServeTCP()
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s.ListenAndServeUDP()
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}
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// ListenAndServeTCP .
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func (s *TProxy) ListenAndServeTCP() {
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log.F("[tproxy] tcp mode not supported now, please use 'redir' instead")
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}
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// ListenAndServeUDP .
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func (s *TProxy) ListenAndServeUDP() {
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laddr, err := net.ResolveUDPAddr("udp", s.addr)
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if err != nil {
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log.F("[tproxyu] failed to resolve addr %s: %v", s.addr, err)
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return
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}
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lc, err := tp.ListenUDP("udp", laddr)
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if err != nil {
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log.F("[tproxyu] failed to listen on %s: %v", s.addr, err)
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return
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}
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var nm sync.Map
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buf := make([]byte, proxy.UDPBufSize)
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for {
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n, lraddr, dstAddr, err := tp.ReadFromUDP(lc, buf)
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if err != nil {
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log.F("[tproxyu] read error: %v", err)
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continue
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}
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var session *natEntry
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v, ok := nm.Load(lraddr.String())
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if !ok && v == nil {
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pc, dialer, writeTo, err := s.proxy.DialUDP("udp", dstAddr.String())
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if err != nil {
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log.F("[tproxyu] dial to %s error: %v", dstAddr, err)
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continue
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}
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lpc, err := tp.DialUDP("udp", dstAddr, lraddr)
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if err != nil {
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log.F("[tproxyu] dial to %s as %s error: %v", lraddr, dstAddr, err)
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continue
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}
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session = newNatEntry(pc, writeTo)
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nm.Store(lraddr.String(), session)
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go func(lc net.PacketConn, pc net.PacketConn, lraddr *net.UDPAddr) {
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proxy.RelayUDP(lc, lraddr, pc, 2*time.Minute)
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pc.Close()
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nm.Delete(lraddr.String())
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}(lpc, pc, lraddr)
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log.F("[tproxyu] %s <-> %s via %s", lraddr, dstAddr, dialer.Addr())
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} else {
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session = v.(*natEntry)
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}
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_, err = session.WriteTo(buf[:n], session.writeTo)
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if err != nil {
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log.F("[tproxyu] writeTo %s error: %v", session.writeTo, err)
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continue
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}
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}
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}
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// Serve .
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func (s *TProxy) Serve(c net.Conn) {
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log.F("[tproxy] func Serve: can not be called directly")
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}
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type natEntry struct {
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net.PacketConn
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writeTo net.Addr
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}
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func newNatEntry(pc net.PacketConn, writeTo net.Addr) *natEntry {
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return &natEntry{PacketConn: pc, writeTo: writeTo}
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}
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@ -49,16 +49,13 @@ func NewVLess(s string, d proxy.Dialer, p proxy.Proxy) (*VLess, error) {
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return nil, err
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}
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query := u.Query()
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v := &VLess{
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dialer: d,
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proxy: p,
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addr: addr,
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uuid: uuid,
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// fallback: "127.0.0.1:80",
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}
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if custom := u.Query().Get("fallback"); custom != "" {
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v.fallback = custom
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dialer: d,
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proxy: p,
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addr: addr,
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uuid: uuid,
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fallback: query.Get("fallback"),
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}
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return v, nil
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@ -36,7 +36,7 @@ func (*dpcpd) Run(args ...string) {
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leaseTime = time.Duration(i) * time.Minute
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}
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ip, mask, err := intfaceIP4(iface)
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ip, mask, _, err := ifaceAddr(iface)
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if err != nil {
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log.F("[dhcpd] get ip of interface '%s' error: %s", iface, err)
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return
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@ -154,27 +154,27 @@ func existsServer(iface string) (exists bool) {
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return true
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}
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func intfaceIP4(iface string) (net.IP, net.IPMask, error) {
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func ifaceAddr(iface string) (net.IP, net.IPMask, net.HardwareAddr, error) {
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intf, err := net.InterfaceByName(iface)
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if err != nil {
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return nil, nil, err
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return nil, nil, nil, err
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}
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addrs, err := intf.Addrs()
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if err != nil {
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return nil, nil, err
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return nil, nil, intf.HardwareAddr, err
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}
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for _, addr := range addrs {
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if ipnet, ok := addr.(*net.IPNet); ok {
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if ipnet.IP.IsLoopback() {
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return nil, nil, errors.New("can't use loopback interface")
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return nil, nil, intf.HardwareAddr, errors.New("can't use loopback interface")
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}
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if ip4 := ipnet.IP.To4(); ip4 != nil {
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return ip4, ipnet.Mask, nil
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return ip4, ipnet.Mask, intf.HardwareAddr, nil
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}
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}
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}
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return nil, nil, errors.New("no ip/mask defined on this interface")
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return nil, nil, intf.HardwareAddr, errors.New("no ip/mask defined on this interface")
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}
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